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June 6, 2026Maǧallaẗ abḥāṯ kulliyyaẗ al-tarbiyaẗ al-asāsiyyaẗ/Mağallaẗ abḥāṯ kulliyyaẗ al-tarbiyaẗ al-asāsiyyaẗOpen Access

Effect of Sun Light on Plastic Water Container Made from Polyethylene Terephthalate

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Authors

SMSaad F. MahmoodHSHamid A. SalehTQTalal Aziz Qassim

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Overview

Randomized trial evaluates photodegradation of PET water bottles, highlighting safety implications.

Key Points

  • This research aims to evaluate how sunlight affects the degradation of polyethylene terephthalate (PET) water bottles.
  • Developed a predictive model for photodegradation of PET under various sunlight conditions.
  • Investigated thermal degradation kinetics, UV absorbance changes, and chemical migration through diffusion.
  • Conducted survival analysis to assess lifespan reduction under extreme exposure.
  • Higher UV intensity and temperatures accelerated PET degradation and discoloration.
  • Increased migration of antimony led to levels near critical safety limits within short exposure times.
  • Lifespan of PET bottles decreased from hundreds of hours to less than two days under severe sunlight exposure.

Cite This Study

Mahmood et al. (2026) studied this question.

synapsesocial.com/papers/6a23b91b71a5da9775e752a6https://doi.org/10.33899/berj.2026.vol22.iss2.62227
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